Modifying certain provisions relating to the nongovernmental pharmaceutical contracting alliance; modifying certain administration requirements; requiring manufacturers or sellers of prescription drugs to show cause for prescriptions drug costs below the contract price negotiated by the commissioner of administration for unfair price discrimination determination purposes; authorizing contractors in lieu of the commissioner to negotiate price differentials based on volume purchasing and to grant multiple awards; requiring licensed hospitals and group purchasers required to file cost containment reports to disclose to the commissioner of health terms of contracts entered into with manufacturers or wholesale drug distributors relating to the purchase or use of prescription drugs and certain payments or fees; requiring data collected to be available to the public through the information clearinghouse and to be provided to the commissioner of administration and the contractor for use as part of the negotiation and administration of the contracting alliance(mk)